33
35
INS
TALLER
US
ER
MAINTEN
AN
CE TECHNI
CI
AN
1.31 BOILER COMPONENTS.
Key:
1 - Aqua Celeris device air vent cock / tap
2 - Aqua Celeris
3 - Ignition/detection electrode
4 - Air intake pipe
5 - Flow probe
6 - Aqua Celeris Resistance
7 - Aqua Celeris device draining cock / tap
8 - Condensate drain trap
9 - D.H.W. flow switch
10 - Gas nozzle
11 - Gas valve
12 - DHW probe
13 - Filter unit cut-off valves
14 - System expansion vessel
15 - Sample points (air A) - (flue gases F)
16 - Flue probe
17 - Condensation module
18 - Venturi
19 - Return probe
20 - Fan
21 - System pressure switch
22 - Air vent valve
23 - Boiler pump
24 - 3 bar safety valve
25 - By-pass
26 - 3-way valve (motorised)
27 - Valve drain fitting signal
28 - System filling valve
29 - Cycloidal filter unit
30 - Burner
31 - DHW heat exchanger
32 - System draining valve